Term: ovary oocyte stage I
Name: ovary
Synonyms: ovaries
Definition: Female reproductive organ. The ovary is a bilobed cavitated organ located ventral to the swim bladder.
Ontology: Anatomy Ontology [ZFA:0000403]

Name: oocyte stage I
Synonyms: oocytes stage I, previtellogenic oocyte, primary oocyte, Stage 1 oocyte
Definition: Oocyte part of stage I ovarian follicle. Stage I oocytes are basophilic, and have relatively large nuclei.
Ontology: Anatomy Ontology [ZFA:0001567]